Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Fiederball
←
German
Federball
(derived)
←
Luxembourgish
Fieder
(affix)
←
Luxembourgish
Ball
(affix)